diff options
Diffstat (limited to 'src/libexpr/nixexpr.hh')
| -rw-r--r-- | src/libexpr/nixexpr.hh | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/libexpr/nixexpr.hh b/src/libexpr/nixexpr.hh index 924f8b912f77..ecd2534088f6 100644 --- a/src/libexpr/nixexpr.hh +++ b/src/libexpr/nixexpr.hh @@ -52,6 +52,9 @@ private: ATerm string2ATerm(const string & s); string aterm2String(ATerm t); +/* Show a position. */ +string showPos(ATerm pos); + /* Generic bottomup traversal over ATerms. The traversal first recursively descends into subterms, and then applies the given term function to the resulting term. */ @@ -63,11 +66,12 @@ ATerm bottomupRewrite(TermFun & f, ATerm e); /* Query all attributes in an attribute set expression. The expression must be in normal form. */ -void queryAllAttrs(Expr e, ATermMap & attrs); +void queryAllAttrs(Expr e, ATermMap & attrs, bool withPos = false); /* Query a specific attribute from an attribute set expression. The expression must be in normal form. */ Expr queryAttr(Expr e, const string & name); +Expr queryAttr(Expr e, const string & name, ATerm & pos); /* Create an attribute set expression from an Attrs value. */ Expr makeAttrs(const ATermMap & attrs); |